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package org.spongycastle.cert;
import java.util.ArrayList;
import java.util.List;
import org.spongycastle.asn1.ASN1Encodable;
import org.spongycastle.asn1.x500.X500Name;
import org.spongycastle.asn1.x509.AttCertIssuer;
import org.spongycastle.asn1.x509.GeneralName;
import org.spongycastle.asn1.x509.GeneralNames;
import org.spongycastle.asn1.x509.V2Form;
import org.spongycastle.util.Selector;
/**
* Carrying class for an attribute certificate issuer.
*/
public class AttributeCertificateIssuer
implements Selector
{
final ASN1Encodable form;
/**
* Set the issuer directly with the ASN.1 structure.
*
* @param issuer The issuer
*/
public AttributeCertificateIssuer(AttCertIssuer issuer)
{
form = issuer.getIssuer();
}
public AttributeCertificateIssuer(X500Name principal)
{
form = new V2Form(new GeneralNames(new GeneralName(principal)));
}
public X500Name[] getNames()
{
GeneralNames name;
if (form instanceof V2Form)
{
name = ((V2Form)form).getIssuerName();
}
else
{
name = (GeneralNames)form;
}
GeneralName[] names = name.getNames();
List l = new ArrayList(names.length);
for (int i = 0; i != names.length; i++)
{
if (names[i].getTagNo() == GeneralName.directoryName)
{
l.add(X500Name.getInstance(names[i].getName()));
}
}
return (X500Name[])l.toArray(new X500Name[l.size()]);
}
private boolean matchesDN(X500Name subject, GeneralNames targets)
{
GeneralName[] names = targets.getNames();
for (int i = 0; i != names.length; i++)
{
GeneralName gn = names[i];
if (gn.getTagNo() == GeneralName.directoryName)
{
if (X500Name.getInstance(gn.getName()).equals(subject))
{
return true;
}
}
}
return false;
}
public Object clone()
{
return new AttributeCertificateIssuer(AttCertIssuer.getInstance(form));
}
public boolean equals(Object obj)
{
if (obj == this)
{
return true;
}
if (!(obj instanceof AttributeCertificateIssuer))
{
return false;
}
AttributeCertificateIssuer other = (AttributeCertificateIssuer)obj;
return this.form.equals(other.form);
}
public int hashCode()
{
return this.form.hashCode();
}
public boolean match(Object obj)
{
if (!(obj instanceof X509CertificateHolder))
{
return false;
}
X509CertificateHolder x509Cert = (X509CertificateHolder)obj;
if (form instanceof V2Form)
{
V2Form issuer = (V2Form)form;
if (issuer.getBaseCertificateID() != null)
{
return issuer.getBaseCertificateID().getSerial().getValue().equals(x509Cert.getSerialNumber())
&& matchesDN(x509Cert.getIssuer(), issuer.getBaseCertificateID().getIssuer());
}
GeneralNames name = issuer.getIssuerName();
if (matchesDN(x509Cert.getSubject(), name))
{
return true;
}
}
else
{
GeneralNames name = (GeneralNames)form;
if (matchesDN(x509Cert.getSubject(), name))
{
return true;
}
}
return false;
}
}
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